New York Times: They Swallowed Live Typhoid Bacteria — On Purpose
“…The experimental vaccine was a big success. The trial’s results were published in The Lancet on Thursday: the vaccine turned out to be 87 percent effective…” (McNeil, 9/28).

Reuters: Trial data suggest new typhoid shot could halve infection rate
“A new typhoid vaccine developed by privately held Bharat Biotech proved safe and highly immunogenic in a study and could be used to prevent millions of infections if it succeeds in final-stage clinical trials, researchers said on Friday…” (Kelland, 9/28).